25988453 has 2 divisors, whose sum is σ = 25988454. Its totient is φ = 25988452.

The previous prime is 25988441. The next prime is 25988477. The reversal of 25988453 is 35488952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13300609 + 12687844 = 3647^2 + 3562^2 .

It is a cyclic number.

It is not a de Polignac number, because 25988453 - 2¹⁶ = 25922917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25988423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12994226 + 12994227.

It is an arithmetic number, because the mean of its divisors is an integer number (12994227).

Almost surely, 2^25988453 is an apocalyptic number.

It is an amenable number.

25988453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25988453 is an equidigital number, since it uses as much as digits as its factorization.

25988453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 44.

The square root of 25988453 is about 5097.8871113433. The cubic root of 25988453 is about 296.2057440107.

The spelling of 25988453 in words is "twenty-five million, nine hundred eighty-eight thousand, four hundred fifty-three".